鉴于下面的 XML 示例,我如何<table_no>
使用 Oracle XML 提取从上到下提取所有值。
基于以下,我希望从我的选择中看到以下单独的行:
1
4
2
11
Table: tickets
Column holding XML: ticket_col
XML 代码:
<xml>
<ticket_order>
<table_no>1<table_no/>
<waiter>Jack<waiter/>
<total_people>12<total_people/>
</ticket_order>
<ticket_order>
<table_no>4<table_no/>
<waiter>Jackie<waiter/>
<total_people>3<total_people/>
</ticket_order>
<ticket_order>
<table_no>2<table_no/>
<waiter>Sally<waiter/>
<total_people>2<total_people/>
</ticket_order>
<ticket_order>
<table_no>11<table_no/>
<waiter>Mike<waiter/>
<total_people>6<total_people/>
</ticket_order>
</xml>